diff options
Diffstat (limited to 'winsup/cygwin/cygtls.h')
| -rw-r--r-- | winsup/cygwin/cygtls.h | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/winsup/cygwin/cygtls.h b/winsup/cygwin/cygtls.h deleted file mode 100644 index 408bcc27f..000000000 --- a/winsup/cygwin/cygtls.h +++ /dev/null @@ -1,317 +0,0 @@ -/* cygtls.h - - Copyright 2003, 2004, 2005, 2008, 2009, 2010 Red Hat, Inc. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#ifndef _CYGTLS_H -#define _CYGTLS_H - -#include <signal.h> -#include <pwd.h> -#include <grp.h> -#include <time.h> -#define _NOMNTENT_FUNCS -#include <mntent.h> -#undef _NOMNTENT_FUNCS -#include <setjmp.h> - -#define CYGTLS_INITIALIZED 0xc763173f - -#ifndef CYG_MAX_PATH -# define CYG_MAX_PATH 260 -#endif - -#ifndef UNLEN -# define UNLEN 256 -#endif - -#define TLS_STACK_SIZE 256 - -#include "cygthread.h" - -#define TP_NUM_C_BUFS 10 -#define TP_NUM_W_BUFS 10 - -#ifdef CYGTLS_HANDLE -#include "thread.h" -#endif - -#pragma pack(push,4) -/* Defined here to support auto rebuild of tlsoffsets.h. */ -class tls_pathbuf -{ - int c_cnt; - int w_cnt; - char *c_buf[TP_NUM_C_BUFS]; - WCHAR *w_buf[TP_NUM_W_BUFS]; - -public: - void destroy (); - friend class tmp_pathbuf; - friend class _cygtls; - friend class san; -}; - -class unionent -{ -public: - char *name; - char **list; - short port_proto_addrtype; - short h_len; - union - { - char *s_proto; - char **h_addr_list; - }; - enum struct_type - { - t_hostent, t_protoent, t_servent - }; -}; - -struct _local_storage -{ - /* - Needed for the group functions - */ - struct __group16 grp; - char *namearray[2]; - int grp_pos; - - /* console.cc */ - unsigned rarg; - - /* dlfcn.cc */ - int dl_error; - char dl_buffer[256]; - - /* passwd.cc */ - struct passwd res; - char pass[_PASSWORD_LEN]; - int pw_pos; - - /* path.cc */ - struct mntent mntbuf; - int iteration; - unsigned available_drives; - char mnt_type[80]; - char mnt_opts[80]; - char mnt_fsname[CYG_MAX_PATH]; - char mnt_dir[CYG_MAX_PATH]; - - /* select.cc */ - struct { - HANDLE sockevt; - int max_w4; - LONG *ser_num; // note: malloced - HANDLE *w4; // note: malloced - } select; - - /* strerror */ - char strerror_buf[sizeof ("Unknown error 4294967295")]; - - /* sysloc.cc */ - char *process_ident; // note: malloced - int process_logopt; - int process_facility; - int process_logmask; - - /* times.cc */ - char timezone_buf[20]; - struct tm _localtime_buf; - - /* uinfo.cc */ - char username[UNLEN + 1]; - - /* net.cc */ - char *ntoa_buf; // note: malloced - char signamebuf[sizeof ("Unknown signal 4294967295 ")]; - - unionent *hostent_buf; // note: malloced - unionent *protoent_buf; // note: malloced - unionent *servent_buf; // note: malloced - - /* cygthread.cc */ - char unknown_thread_name[30]; - - /* syscalls.cc */ - int setmode_file; - int setmode_mode; - - /* All functions requiring temporary path buffers. */ - tls_pathbuf pathbufs; -}; - -typedef struct struct_waitq -{ - int pid; - int options; - int status; - HANDLE ev; - void *rusage; /* pointer to potential rusage */ - struct struct_waitq *next; - HANDLE thread_ev; -} waitq; - -/* Changes to the below structure may require acompanying changes to the very - simple parser in the perl script 'gentls_offsets' (<<-- start parsing here). - The union in this structure is used to force alignment between the version - of the compiler used to generate tlsoffsets.h and the cygwin cross compiler. -*/ - -/*gentls_offsets*/ -#include "cygerrno.h" - -extern "C" int __sjfault (jmp_buf); -extern "C" int __ljfault (jmp_buf, int); - -/*gentls_offsets*/ - -typedef __uint32_t __stack_t; - -class _cygtls -{ -public: - void (*func) /*gentls_offsets*/(int)/*gentls_offsets*/; - int saved_errno; - int sa_flags; - sigset_t oldmask; - sigset_t deltamask; - HANDLE event; - int *errno_addr; - sigset_t sigmask; - sigset_t sigwait_mask; - siginfo_t *sigwait_info; - struct ucontext thread_context; - DWORD thread_id; - unsigned threadkill; - siginfo_t infodata; - struct pthread *tid; - union - { - struct _reent local_clib; - char __dontuse[8 * ((sizeof(struct _reent) + 4) / 8)]; - }; - struct _local_storage locals; - class cygthread *_ctinfo; - class san *andreas; - waitq wq; - int sig; - unsigned incyg; - unsigned spinning; - unsigned stacklock; - __stack_t *stackptr; - __stack_t stack[TLS_STACK_SIZE]; - unsigned initialized; - - /*gentls_offsets*/ - static CRITICAL_SECTION protect_linked_list; - static void init (); - void init_thread (void *, DWORD (*) (void *, void *)); - static void call (DWORD (*) (void *, void *), void *); - static struct _cygtls *find_tls (int sig); - void remove (DWORD); - void push (__stack_t) __attribute__ ((regparm (2))); - __stack_t pop () __attribute__ ((regparm (1))); - __stack_t retaddr () {return stackptr[-1];} - bool isinitialized () const - { - return initialized == CYGTLS_INITIALIZED; - } - bool interrupt_now (CONTEXT *, int, void *, struct sigaction&) - __attribute__((regparm(3))); - void __stdcall interrupt_setup (int sig, void *handler, - struct sigaction& siga) - __attribute__((regparm(3))); - - bool inside_kernel (CONTEXT *); - void signal_exit (int) __attribute__ ((noreturn, regparm(2))); - void copy_context (CONTEXT *) __attribute__ ((regparm(2))); - void signal_debugger (int) __attribute__ ((regparm(2))); - -#ifdef CYGTLS_HANDLE - operator HANDLE () const {return tid->win32_obj_id;} -#endif - void set_siginfo (struct sigpacket *) __attribute__ ((regparm (3))); - void set_threadkill () {threadkill = true;} - void reset_threadkill () {threadkill = false;} - int call_signal_handler () __attribute__ ((regparm (1))); - void remove_wq (DWORD) __attribute__ ((regparm (1))); - void fixup_after_fork () __attribute__ ((regparm (1))); - void lock () __attribute__ ((regparm (1))); - void unlock () __attribute__ ((regparm (1))); - bool locked () __attribute__ ((regparm (1))); -private: - void call2 (DWORD (*) (void *, void *), void *, void *) __attribute__ ((regparm (3))); - /*gentls_offsets*/ -}; -#pragma pack(pop) - -const int CYGTLS_PADSIZE = 12700; /* FIXME: Find some way to autogenerate - this value */ -/*gentls_offsets*/ - -extern char *_tlsbase __asm__ ("%fs:4"); -extern char *_tlstop __asm__ ("%fs:8"); -#define _my_tls (*((_cygtls *) (_tlsbase - CYGTLS_PADSIZE))) -extern _cygtls *_main_tls; -extern _cygtls *_sig_tls; - -class san -{ - san *_clemente; - jmp_buf _context; - int _errno; - int _c_cnt; - int _w_cnt; -public: - int setup (int myerrno = 0) __attribute__ ((always_inline)) - { - _clemente = _my_tls.andreas; - _my_tls.andreas = this; - _errno = myerrno; - _c_cnt = _my_tls.locals.pathbufs.c_cnt; - _w_cnt = _my_tls.locals.pathbufs.w_cnt; - return __sjfault (_context); - } - void leave () __attribute__ ((always_inline)) - { - if (_errno) - set_errno (_errno); - /* Restore tls_pathbuf counters in case of error. */ - _my_tls.locals.pathbufs.c_cnt = _c_cnt; - _my_tls.locals.pathbufs.w_cnt = _w_cnt; - __ljfault (_context, 1); - } - void reset () __attribute__ ((always_inline)) - { - _my_tls.andreas = _clemente; - } -}; - -class myfault -{ - san sebastian; -public: - ~myfault () __attribute__ ((always_inline)) { sebastian.reset (); } - inline int faulted () __attribute__ ((always_inline)) - { - return sebastian.setup (0); - } - inline int faulted (void const *obj, int myerrno = 0) __attribute__ ((always_inline)) - { - return !obj || !(*(const char **) obj) || sebastian.setup (myerrno); - } - inline int faulted (int myerrno) __attribute__ ((always_inline)) - { - return sebastian.setup (myerrno); - } -}; - -#define __getreent() (&_my_tls.local_clib) - -#endif /*_CYGTLS_H*/ /*gentls_offsets*/ |